Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
tan phan » toan phan, than phan, van phan
phan cac » nhan cach, phan dau, phan lap
mang va » mang vua, hang va, bang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (theo chu)) xanh - cach mang va ((nhung cong) OR (dung cong)) tan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - cach mang va ((nhung cong) OR (dung cong)) tan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo chu)) xanh - cach mang va ((nhung cong) OR (dung cong)) tan phan cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - cach mang va ((nhung cong) OR (dung cong)) tan phan cac*.